os_fix_helper_signals 1584 arch/um/drivers/ubd_kern.c 	os_fix_helper_signals();
os_fix_helper_signals  251 arch/um/include/shared/os.h extern void os_fix_helper_signals(void);
os_fix_helper_signals   58 arch/um/os-Linux/sigio.c 	os_fix_helper_signals();